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All results from a given calculation for Ga2H6 (digallane)

using model chemistry: QCISD(T)/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-3850.168126
Energy at 298.15K-3850.175482
HF Energy-3849.883536
Nuclear repulsion energy295.078121
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD(T)/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1992 1948        
2 Ag 1519 1485        
3 Ag 731 715        
4 Ag 236 231        
5 Au 448 438        
6 B1g 1991 1947        
7 B1g 467 457        
8 B1u 1239 1211        
9 B1u 654 640        
10 B2g 1313 1284        
11 B2g 412 403        
12 B2u 1996 1952        
13 B2u 773 756        
14 B2u 210 205        
15 B3g 740 723        
16 B3u 1986 1942        
17 B3u 1359 1328        
18 B3u 669 654        

Unscaled Zero Point Vibrational Energy (zpe) 9367.6 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 9159.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/aug-cc-pVDZ
ABC
1.55378 0.06640 0.06504

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 1.308 0.000 0.000
Ga2 -1.308 0.000 0.000
H3 0.000 0.000 1.173
H4 0.000 0.000 -1.173
H5 1.956 1.415 0.000
H6 1.956 -1.415 0.000
H7 -1.956 1.415 0.000
H8 -1.956 -1.415 0.000

Atom - Atom Distances (Å)
  Ga1 Ga2 H3 H4 H5 H6 H7 H8
Ga12.61521.75691.75691.55661.55663.55693.5569
Ga22.61521.75691.75693.55693.55691.55661.5566
H31.75691.75692.34672.68402.68402.68402.6840
H41.75691.75692.34672.68402.68402.68402.6840
H51.55663.55692.68402.68402.83053.91124.8280
H61.55663.55692.68402.68402.83054.82803.9112
H73.55691.55662.68402.68403.91124.82802.8305
H83.55691.55662.68402.68404.82803.91122.8305

picture of digallane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ga1 Ga2 H3 41.903 Ga1 Ga2 H4 41.903
Ga1 Ga2 H7 114.603 Ga1 Ga2 H8 114.603
Ga1 H3 Ga2 96.193 Ga1 H4 Ga2 96.193
Ga2 Ga1 H3 41.903 Ga2 Ga1 H4 41.903
Ga2 Ga1 H5 114.603 Ga2 Ga1 H6 114.603
H3 Ga1 H4 83.807 H3 Ga1 H5 108.051
H3 Ga1 H6 108.051 H3 Ga2 H4 83.807
H3 Ga2 H7 108.051 H3 Ga2 H8 108.051
H4 Ga1 H5 108.051 H4 Ga1 H6 108.051
H4 Ga2 H7 108.051 H4 Ga2 H8 108.051
H5 Ga1 H6 130.795 H7 Ga2 H8 130.795
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability